Pipe-organ control



Sept. '7 1926. 1,599,178

(5, H. KLOEHS PIPE ORGAN CONTROL Filed Feb. 6, 1924 5 Sheets-Sheet 1ATTORNEYS Sept. 7 1926. 1,599,178

G. H. KLOEHS PIPE ORGAN CONTROL Filed Feb. '6, 19 5 Sheets-Sheet 2-WITNESSES ATTORNEYS G. H. KLQEP-m PIPE ORG-AN CONTROL Sept. 7 1926.

Filed Feb. 6, 1924 5 Sheets-Sheet 3 INVENTOR:

ATTORNEYS WITNESSES Sept. 7 1.926.

1,599,178 5. H. KLOEHS PIPE ORGAN CONTROL Filed Feb. 6, 1924 5Sheets-Sheet 5 WITNESSES A TTORNE YS g a INVENTOR 1 1 G mtm JZLZZQW.

Patented Sept. 7, 1926.

UNITED STATES GUSTAV H. KLOEHS, OF PHILADELPHIA, PENNSYLVANIA.

PIPE-ORGAN CONTROL.

Application filed February My invention relates to improvements in pipeorgans, and it consists of the constructions, combinations andarrangements herein described and claimed.

An object of the invention is to provide mechanism by means of which thesounding of organ pipes is effectively controlled and with dispatch, byreason of the fact that the operating means between the pipes and theorgan keys is of a very simple nature.

Another object of the invention is to provide an improved organ controlwhich consists largely of relay and chest actions which cooperate insuch a manner as to practically constitute one part, said chest'actionsalso being associated with a certain switch board action, the functionsof which are necessary for the proper operation of the aforesaid relayand chest actions.

A further object of the invention is to provide an organ control inwhich the amount of mechanism between a g'wen organ pipe and theoperating key thereof is reduced to a minimum so that the response atthe pipe upon the depression of the key will be as prompt as possibleand without bringing into operation any more than the least number ofelements possible.

,Other objects and advantages will appear from the followingspecification reference being had to the accompanying drawings, inwhich- Figure 1 is a diagram illustrating the organ control as appliedto an octave of keys and pipes.

Figure 2 is a perspective view of a portion of the relay action which isdirectly associated with the keys.

Figure 3 is a detail perspective view of the contact wire block of oneof the relays.

Figure 4 is a perspective view of the bridge which carries the block inFigure 3.

Figure 5 is a perspective view of the yoke which limits the raisingmovement of the pneumatic which carries the contactor.

Figure 6 is a longitudinal section of one of the relays. Y

Figure 7 is a cross section of the chest action at any one of the organpipes, this View being readily identified with the diagrammaticillustration atthe organ pipes in Figure 1.

Figures 8, 9 and 10 are perspective views of details of one of theelectro-pneumatic valves in the chest action.

6, 1324. Serial No. 690,957.

Figure 11 is a perspective view of a portion of the switch board action.

Figure 12 is a detail perspective view of the pivoted contactor.

Figure 13 is a cross section oi the compressed air conduits of theswitch board action illustrating the electro-pneumatic valve associatedtherewith.

As appears in the course in of the following description, use is made,in the improved pipe organ control, of the cipherless device disclosedin my co-pending application #2, filed Feb. 6, 192-1, Serial Number 690,958. The cipherless device is not indispensable to the operation of thepipe organ control inasmuch the organ may be operated without it andalso it may be used in conncction with pipe organs of types other thanthat. herein disclosed, but because of the fact that it performs animportant function in a number oi cases a description thereof appearshere quite properly.

Let'ore describing the operation, he de' tails of construction mustfirst be understood and are described under the following heading: Thekeyboard and relays, the chest action, the switch ioard action, and thecipherless devic 'laking these in the order named attention is firstdirected to T he ICGZ/bOdTd and relays.

Only enough of the keyboard is illustrated to make the action readilyunderstood. The keys 1, 2, 3, 4c, 5, 6, 7 and 8 comprise an octave andcontrol corresponding organ pipes 9, 10, 11, 12, 13, 14-, 15 and 16. Thekeys and corresponding pipes are lettered C, D, E, F, (i, A, B, C,according to the notes that they are adapted to produce.

According to the showing as it now stands in Figure 1 only pipes 13, 115 and 16 may be sounded by the operation of corresponding: keys 5, 6, 7and 8 for the reason that only the switch board action 17 has beenrendered active by the depression of the finger 18. The other switchboard 19 is controlled v by the finger 20. These parts constitute whatseemingly are commonly known as stops, the one being diapason, the otherflute. I

Technically the so-called stops 18 and 20 are known as fingers, and inpractice they consist of e ectric switches arranged on the console ofthe organ within ready reach of 52 and passes through the contactor 53in such a manner as to allow he latter to be adjustable into a lower orhigher plane with respect to the contact wires of the block 54 mentionedbefore. The bus 63 is common to all contactors 53 ot' the relays in theentire organ, not only those of the key board in Figure 1. I

The block 54. carries four contact wires 67, (38 (S!) and The number ofcontact wires illustrated is arbitrarily chosen to show that the blockcarries a plurality of wires. The number that it actually carries may besix, eight, twelve, etc. in fact there will be as many contact wires asthere are organ pipes subject to the control of the individual key 5.The depression of the key 5 may cause the simultaneous sounding of anumber of organ pipes. However, all of the contact wir a may not. becomeactive with each depression of the key Some may be cut out of action andthis is done by one or the other of the switch board actions 17 and 19.I

The chest action must be described next in order that the ultimatefunction of the relay )5 may be urdcrstmd. Use is made of the contactwire 7 only to illustrate the action of the relay. This contact hasconnection through a wire 7i with a contactor wire 139 of the plate 74in the switch board 17, :1 wire 73 conneetii'ig this plate with one sideof an electro-magnet 72. A battery 75 has one wire 76 which is common toall of the electro-inagnets of the chest action, and another wire 77connecting with the bus 63 described in connection with Fig. 6. Thedepression of the key 5 therefore causes the contactor 3 to engage thewire 67 so that current .iows from the positive pole of the battery '75over wire 77 to the bus 63, over wire it, to the eontactor 53, contactwire 7 and wire Tl to the contactor 139, plate Ti and wire 73 to theelectromagnet 72, returning via the common wire 7 6 to the negativepoleof the battery.

let the reader imagine one or more of the contact wires 67, 68, etc. ofthe relay -25 c.ntrolline electro-inagnets 79 of organ pipes other thanthose that come under the control of the switch board 17. F or examplethe contact 68 may be connected by means of a wire 78 (dotted lines)with such contactor wire and contact plate of the switch board 19 thatcontrol the sounding of the pipe This pipe is one which when soundedwill produce the note of a. flute. Inasmuch as the teed wire 80 of thiselectromagnet can receive no current dueto the open position of thefinger 20 and the consequent inoperative/nests of the switch board 1!),no action will result, in the pipe 12 upon operation of the hey lit isonly when the organist r was to include the playing of the flute byflipping thefinger 20 down that the particular contact 68 becomesoperative upon the depression of the A si iilar prin ciple prevails inpost to the otlrr contacts G9 and 70.

Before proceeding wit the :hest action ure which show fi l; in detailparallel slits 8t in niove number of ch the coz'ztact wires u onengzpeinent The 1 The block hrs u -e Yul??? occv which is o-ec niounle'lpipe 13 a the renduxt S?) (F' ed to be closed i tons'91. Each of thesebuttons is cnrrie by a putf which is mounted on a plate 93 runninlengthwise of the conduit.

This a support 9%: (d Tile button held up a5 .mst the orifice by aspring 95, the s iring' performing this function long as there is anequalization of air e on both sides of the pufi. The elcctro-pner 'naticrulve 72 controls this equalization of air pressure.

Air under couu'n'ession is supplied to the conduit by the main conduitC9 in Figure 1, the cipherless device being interposed in the connectionbetween the two. The electro-mngnet 72 (Fig. 7) mentioned above and inconnection with Figure 1 is carried by the val e base 97 which has acover 98. The base and cover are made of lead or other suitable non-nietic material so that the .l not adhere to the poles of the magnetafter having been attracted thereby. The liap valve is loess-eiy held bya linlc 100 wh'ch attaches to the cover or valve chest at a convenic plae. The valve normally rests on the i or end of a vent tube 1.01 so as toprover-it the escape of air to the atmosphere and profide tor the L0conduction of air from the c li llllt 89 through the par.:sage 102.,ports 103 airjl 104. and passage 105. 'lln vent tube 1.01 is threadedand has a screw driver slot so tl at it may be adjusted. The purpose inmaking the vent tube ltll adjustable that the valve will be dc torespond more or less promptly to L118 energiztation of'theelectro-magnet 72 above.

Screws 106 secure the valve chest or cover 1 ly means of Wires 118, 119a1 98 to the base 9?. One of ti ese screws passthe contact plates is atracker 12?, which is es through a -(l part 0'" the COYQL (see adaptedto l'UCl-I on pivots 12E) upon a tlOWD- right of I I "1) W1 ilt t ieother pase iiartl pull on the eha'it 1230 autl link 1-31 h through auotcii 107. Screws other that =J 1I1pTQSSiOl1 oi the lJOllOWa orpneumatic 106 are usell t the passage 8 usee for this which 0111 thetracker, a huton the tluea hxl entl of the shatt 11g to make atlj ustconueetiou 1 on eutl oi a "-16 other (iiltl, of wh ch is cou in an arm13? "which is; ilXQtl in 'ch hoard panel. The purpose of "1g 1 -36 is tokeep the tra ker 121% x for L-TZLUKlUlt: by the traehcr in 'h hear-flaction 10.

the parts posed of 15 that Sega-t L 1 pair or replaeelueu ot in respectto the con-(hut sules 111 :ul 3 ,iottn a the al' trzv-zer 128 has apluralu 3on- 29 L? are 1 r 1 actor Wires; ot which 1 39. 1-1:), and 149naee re. eoaet con pressiou springe 1 3:. are eonl u'zl a tiou has alrehese uee l not 1 2e eeutat-tor;-' ith certain or shown in 1 e tracker128 1:5 roehetl with in Figure 1 that the ell-mice as :11

l although the 0 v etions. T: this (211d it ment or the coiuhinatioi 30tr e autl pneumatic a t1 emitrol iu ele, IIIOYQ into engagement twitchhoard action is claimed as a V 1 T ete, and thus complete thi;invention. Take the twitch boar-e a eirctut. tion 1? at an example. The@ion 19 The reel-ting of the t'aclier 128 is aecomitleutical therewithaim therefore the (le 1c l h t'ppiug one of the fingers on the scriptionof the one Will suiiicc tor the other. The upright portion of the switiy1 "1 4 J! {:It 1 1+ cutie: a p ma 1L or ten we J1me, the plate Tl hasalreae v Other plates 1.111, 116 and A ie organ down. In the DYQF THC sthe finger 18 that causes the the Switch heart actw a crtmtaci'or 1 oleof ti instance it i at conceit lies to the from the the cow. pres 123 ofthe organ pipes 1 11 c tauplelneiitarv Wires 1.'

eoutazi'tors 11!) 111 and o, ole of which a Wire 1170 c151 ate with saulContact to {er 13. The wire ll"; common coutmt Wires o er of elect vealPpplzauoeas apto 101' on. lh wil 12:

ch 1? or to use he ee-iuuon \u e expr to lip the finger 55 any one ofthe keys; t1 ti the re'a vs will produce a c 7 'l at' 15 or 11'? similarn attract-2 ti pipe 13 h the tlepr t i ithe? contact plates and Contactrout tul: in the switch hoard action 17 \riil 110 her parts of t 1 t -euwith such 0 top 1 '1 'u of such connection:

a the hose 157 M7 h the reatler will ouee heiug similar to the I if e tipjure 7. The construction ancl Retereuee 15; now inidentical. 1 v V 2 w1-3. intoiuitecl in 1) US has communication throw, J)

a duct 15S (Figs. 1 and 13) with the chamber 159 oi a putt 169. Thisputt includes a felt button 161 which is situated in an exhaust passage162 provided with/exhaust openings lln ler that condition wherein theelectromagett A6 is deenergizcd air under pressure from the conduit 117reaches the chamber 159 and forces the putt 169 out so that the doubleiicapement valve 164, 165 (Fig. 1) sever-s con'iniunication between thebellows chamber 166 and the lexhaust passage 162. The positioncorresponding with this description is shown in the case of theswitchboard action 19. Upon energiY-ation of the magnet 146 the passageof compressed air from the conduit 147 to the chamber 159 is interruptedthereby permitting an exhaust of air from behind the'pufl to theatmosphere through the vent tube 153. At the same time, the valve 165closes the openii'ig 1.67 between the chamber 166 and passage 162.

The pressure of air from the conduit 11'? entering the chamber 166through the tube or other connection 168 thereupon causes the depressionof the bellows 132 so that the tracker 128 is rocked and the contactorwires 139, etc., brought into engagement with the plates 74, etc. Theopening 167 has communication through a duct 169 with the inside of thebellows 132, and when the valve 161 closes the right side of the opening167 the equalization of air pressures inside and outside of'the bellowspermits the spring 136 to keep the tracker 128 in the upright positionshown in Figure 11.

Upon closure of the opening 167 by the valve 165 the pressure outside 0%the heir lows 132 predominates so that the bellows is depressed againstthe tension of the 5 ing 136. The air inside of the bellows eanauststhrough the opening 16'? into the pass 162 thence to atmosphere via theopeni 163. The release of the linger 18 c; the deenergirzation of themagnet 116 so that air from the conduit 1t? again forces the puff 166out, reversing the position of the valves 164:, 165 of the switch boardaction 17 thereby again causing an equalization of pressures on bothsides of the bellows with the result that the tracker 128 rocks back.

The cipherless device, as explained above is the subject matter of aco-pendinp application for letters patent but is incorporated hereinbecause of its important func" tion of elin'iinating ciphers in thechest action 89 and also eliminating any obstructions that mig it impairthe 'l'unctioni of the transfer valves of the electro-pneu iatic relays.It is necessary to provide two separate cipherless devices 96 and 56 forthe respective purposes. In practice there will be one cipherless devicefor each chest action and also one for each relay action.

The cipherless device 50 receives air from the main conduit 19 by way ofa tube 170 and delivers. the air to the conduit 48 by way of a tube 171.Similarly, the cipherdevice 96 receives air from the conduit by way 01'the tube 172 and delivers the to the chest action 89 by way of the tubeson'ietimes'occurs in the playing of the n that an obstruction entersthe space between the felt button 91 and its seat against the top 11601": the air conduit 89 and thereby hold the orifice 90 open. Suchobstruction may consist of a roll of lint, dust, etc. The effect is thatair continues to pass through the orifice 90 so that the corres ndingorgan pipe continues to sound reess oi. the fact that the key whichconit has long been released.

The continued sounding or droning of the organ pipe is known as acipher. Inasm is l as the button 91 is not readily accessible, itbecomes necessary to stop playing the o 11 until the chest action can beopened to remove the obstruction. By use of the cip rlcss device, thechest action can be C-lil1tl (it the obstruction, or if necessary,

the entire chest in which the cipher has oecurrcd, may be cut outthereby making it unsary to cease playing the organ entirely.

A rectangular box furnishes the housing and support for a. combinedcut-out and escapement valve 17 1 and 175 and a combined magneticrelease valve and escapement valve 176 and 177. carried by a rod 178which is suspended from a pull 179. The latter are carried by a rod 180.

The respective valves control passages 181 and 182, the formercommunicating with the tube 173, the latter with a duct 183 whichextends to a. place above the putts 179. Both passages extend throughfrom the interior of the cipherless device to the atmosphere. Anelectro-magnet 18 i is adapted to attract the release valve 176 upon deiression of a switch 185 which closes a circuit from the battery 149over common wire 150, wire 186, switch 185, whence the current returnsto the negative pole of the battery via wire 187. This wire hasconnection with the negative return wire 1 18 which is described inconnection with the switch board 17.

According to the position of the cipherless device 96 in Figure 1 thepressure of air holds the putt 17 9 up, this by virtue of the fact thatthe putt is of larger area than the valve 17 The valve 175 is thereforeheld closed so that no air may escape to at niosphere. The passage 181IS therefore The former areno there is therefore no air rt the pun.

fir depression of t the ene ixation of a the release valve 'o theeoin'inon positive Wire 42, through contact 4-1 21ml eontuctor 40 to theWire tlllOllQll the electro-inugnet li) entl over ire ii to the negativelus i5 whence it to the negutire pole of the hatter}; 70

i l. The resulting energizatimi 1 30 oi the relay 25 attracts zilve Si(Fig (3) so that air conduit i8 is permitted to to the lnct 5i enclthereby extend pilesngg e 152 and the opei a entl oi this upper side 10equulizzitioi the pull fell by therefore e, inain contl iet i e:tte1r=ion of tire hellons 53; will Min 2* 5; into engagement with th(5T, ete and close :1 *irczi; ive pole of the lnitter i .n 8 to thepositive hue 3; over eontzietor 53, Wll'QS (3T anil ith hozirtleontectcr 1&5!) znul t l- :rrii orer Wire 73 to the tion electro-zniWhei ce it coir viz: wire it) to the negative pole m:

:':tion of the magnet c2113:

li' oi? air from the (Oll(l" o" the pic 92 (Pig. lief tne ii: p mire nnlcloses the port 10;). The air we 83) thereb causes the tlenresnuti sothat the button 01 00. The escape of air at 95 "'C;- the sounding ot'the corresoon in; the or mini nenlting ot the cirnet 30 permit: 1 nntlthe iM'llOWf hrezii ing; of the ciri sentin i0 collar: i

(ii the magnet under lt more oit thes hetore the o1 e hip Valve 99'eopen the port lhi;

f 1r on 1 tiv un on .r i' e contact eieciro-nmgnet v'ire 1 1 63 to the ni m the energizh re pressure 0 .i noth sialee h pull S2 is equzilixelThe spring- 971 nipon CIIPLILS the re-seuting ot the huti t the inlet tothe or'tice 9i).

Ines; happens that a roll of lint Ween the he. ten 91 and, the top 110host :ic' io i. and therehr prevent from Seating. he continueil theshitting of the 5 (compare with 'int there is a of air into the pipe(21111865 whet the bellows a known it cipher. The eipherlees (lepressureon top. intended to cause the removal ot' "etore tlei'n'essel causing"tion, by producing it succession of e t 'nclqer 125 1n l the en in thechest action and thus 11;; the lint.

1e en- This succession of impulses is produced tor viii-is with the hopening and closing the switch 185. A 120 partial closure of cloeure ot'the switch will cause the energii said Wires antl plates tion of themagnet lS-l whereupon the 21t- 1e remainder of the cirtraction oi therelease TQlYO 1T6 will eiuse when the organ nIOYS 211'0 211iez'jiurization ot uir preseure on both sides 1 l the pull 1T9. Theout-out and, *zrp-erg'eniet depresaing the inent v-ilies 17 i, 1'75,which are czirriesl In; souiul the hey G in the the puii, will then tellby gravity so that 'i engagement of the. th c Valve 17- cuts oil?communication hethe phssuge ot' nrtween the main eoniluit 4-9 and thetube siire pole of the buttery 173 which leads to the chest action. An

opening of the switch will cause a reversal of operation, the resultbeing the succession of air impulses mentioned before. I

The action of the cipherless device 50 is identical with that of thedevice 96, the only difference being that the device 50 functions inrespect to the relay conduit 48. A closure of the switch 188 will causean cnergization of the electro-magnet 189 and produce the same result inrespect to the valves 190, 191 and 192, 193. A series of openings andclosures of the switch 188 will produce corresponding impulses of air inthe conduit 48 and thereby clear the transfer valves of the relays ofany obstruction that might be preventing one or more of them fromseating. The description of the action attending the de ression of thekey 5 is representative of tie action following the depression of any ofthe keys. The switch board action 19 comes into operation upon flippingdown of the finger 20, such pipes as produce the sound of a flute thenbeing made operative.

In conclusion it is desired to point out that all of the vital workingparts of the organ control are readily accessible for purposes ofreplacement and repair. This is due to the fact that any one ofthevarious conduits may readily be taken apart. The reader will observethat the cipherless devices are separable inall respects, that is to sayeither the front or back may be taken off so that the interior mayreadily be reached. This feature of accessibility is of great value. I

While the construction and arrangement of the improved pipe organcontrol as herein described and claimed is that of a generally preferredform, obviously modifications and changes may be made without departingfrom the spirit of the invention or the scope of the claims.

I claim 1. An organ control comprising the combination of a chest actionhaving an organ pipe, an air conduit, a button to stop the passage ofair through said pipe and an electromagnetto control the air pressurefor said button; an electric circuit embracing said electro-magnetincluding a relay, a bellows in said relay having a contactor adapted tocomplete part of said circuit, a transfer valve 31 normally in positionto open the bellows to atmosphere and'close off the conduit, anoperating magnet for said valve, a key adapted to energize the magnetand shift the valve to close off the atn'iosphere, cause the inflationof said bellows from said conduit and the operation thereof to cause thethe partial closure of the aforesaid circuit, and a switch board havinga contactor and contact adapted to be in engagement to complete saidcircuit.

2. An organ control comprising the combination of a main air conduit, 21chest action having a pipe and a control button therefor, anelectro-magnet adapted to con-- trol the air and cause a movement ofsaid button, a relay having a transfer valve adapted to control thepassage of air from said conduit, a bellows in respect to which said airis controlled, a magnet for actuating the valve, a key adapted upondepression to energize the magnet and thereby cause the expansion ofsaid bellows, an electrical circuit adapted to be partially closed bysaid bellows and including the chest action electro-magnet, and a switchboard through which said circuit is completed thereby energizing saidelectro-magnet and causing the sounding of said pipes. An organ controlcomprising the combination of a main air conduit, a chest actionreceiving air from said conduit, said chest action having a pipe, arelay receiving air from said conduit, a key to operate the relay, andmeans in the chest action operated by the relay upon energizationthereof by the depression of the key to cause the sounding of said pipeby air from said conduit, said relay being operated in part by air fromsaid conduit.

4. An organ control comprising the combination of a main air conduit, arelay having a bellows adapted to be expanded by air from said conduit,a chest action having a pipe adapted to be operated by air from saidconduit, a button to control the passage of air to said pipe, anelectroanagnet controlling the pressure of air in respect to saidbutton, means operated by said bellows to partly complete a circuitthrough said magnet, means controlling the passage of air from saidconduit to the bellows, and a key for operating said controlling means.

5. An organ control comprising the combination of a chest action havingan electromagnet, a relay havinga contact in electrical connection withsaid magnet, a pneu matically movable contactor adapted to engage saidcontact, means for controlling the movement of air for the operation ofsaid contactor, and an organ key for operating said controlling means.

6. An organ control comprising the com bination of a chest action havingan electromagnet, a relay having a contact in electrical connection withsaid magnet, a compressed air conduit, a bellows adapted to c0mmuni catewith said conduit, a valve controlling said communication, a contactorcarried by the bellows to engage the contact upon ad mission of air,means to raise the valve and thereby permit such admission, and a key tocontrol the operation of said raising means.

7. An organ control comprising the combination of a chest action havingan electromagnet, a relay having a contact in eleceach electro-magnetand each relay comprising a bellows adapted to communicate with theconduit, electrical contact means associated with each bellows adaptedupon operation to complete part of a circuit for the respectiveelectro-magnets, a valve for each re ay normally preventing the passageof air from the conduit to the bellows, a plurality of electro-magnetshoused by the conduit one for each valve, and a plurality of organ keyseach having a switch fit aptcd to energize a corresponding relayelectromagnet to lift the corresponding valve and so cause the operationof the bellows.

15. An organ control comprising the combination of a chest action havingan electro-magnct and a button controlling a pipe orifice, said chestaction including a conduit having a separable top in respect to whichthe button operates and a separable bottom by which said magnet iscarried, a relay for controlling the energization of said magnet,comprising a base, a bellows having electrical contact means adapted to'close part of the circuit cmbracing said magnet, an electromagnet andvalve mounted on the base for controlling the passage of air throughsaid bellows, and a compressed air passage mounted on the base to housesaid magnet and valve, said conduit being removable to permit access tosaid magnet and valve.

16. An organ control comprising the combination of a chest action havinga plurality of clectro-i'nagnets, a switch board action having contactmeans, and a plurality of individually organ-key operable relays forcont-rolling the energization o'l said electro-magnets, each relaycomprising a pneumatically operated contactor and a plurality of contactwires for each contactor having connection with predetermined ones ofsaid electro-magnets through the contact means of said switch boardaction, said switch board action being adapted for cutting out desiredones of said contact wires 17. An organ control comprising thecombination of a chest action having a plurality of electro-magnets,organ pipes having air control buttons operable by the influence of saidelectro-magnets, a relay having a pneun'iatically operated contactor, acontact block having a plurality of contact wires connectible withpredeteri'nined ones of said electro-magnets, an organ key upondepression of which said contactor is brought into engagement with saidwires and complete partial circuits embracing said magnets, and a switchboard action through which said circuits are adapted to be completedsaid action having contact plates to which only predetermined ones ofsaid electro-magnets are connected thereby permitting the closure ofcircuits only through connected electro-magnets upon depression of saidorgan key.

18. An organ control comprising the combination of a chest action havinga plurality of pipes, a control button for each, an electro-magnet forcontrolling each button, a relay having a plurality of contact wiresindividually connectible to predetermined ones of said electro-magnets,a bellows, a compressed air conduit for supplying air to said bellows, avalve normally severing communication, an electro-magnet adapted toattract said valve so that air may reach the bellows, an organ keyhaving switch means for energizing said relay electro-magnet to therebyattract the valve, a contactor carried by the bellows then engaging saidwires to complete parts of circuits through said chest actionelectro-magnets, and a switch board action through which said circuitsare adapted to be completed, said switch board having contact plates towhich certain ones of the chest action magnets are connected andcontactor wires to which certain relay contact wires are connectedadapted to engage said plates.

19. An organ control comprising the combination of a chest action whichcom prises an air conduit having orifices leading to organ )ipes, a puffhaving a button for closing eac 1 orifice, a spring for holding eachbutton against the orifice, an electromagnet for each pull having a flapvalve for controlling a duct furnishing communication between theconduit and the interior of the puff, a relay having a plurality ofcontact wires individually connectible with the respectiveelectro-magnets, a contactor adapted to engage said wires and completeparts of circuits through said electromagnets, and a switch boardthrough which predetermined ones of said circuits may be completedthereby causing the energization of such electro-magnets the circuits ofwhich are completed through the switch board upon engagement of saidcontactor with said wires.

20. An organ control comprising the combination of a chest action whichconsists of an air conduit having an orifice leading to an organ pipe, apull having a button to control said conduit, an electro-magnet, a baseby which said magnet is carried having a pair of ports one communicatingwith the conduit the other with a duct leading to the interior of thepuff, a cover plate for said ports providing a valve chamber into whichsaid ports discharge, a vent tube carried by the cover, a flap valvecovering said tube and thereby providing for an equalization of airpressures on both sides of the pull, a spring inside of the puffpressing the button against the orifice, and an organ key operated relayhaving contact means aoapted to energize l electro-inagrets tor theattraction of th liap valve to sever air connnuni ation with theinterior of the putl', the air in the conduit thereb dep essing the r rpull and musing the ooening ot the orilice.

21. An organ control comprising the combination of a chest action havinga con1- pressed air conduit with an orifice, an organ Jipe titted insaid orilice, a plate mounted on a support inside of said conduit, anull carried by said plate lltIYlllg a button, a epring inside of theputt pressing the button against the orifice, a rake basic carried. bythe conduit and a pair o't ports respectii'ely communicating with theinterior of the con duit and Yith a duct leading to the interior of theputt, an electro-inagnet carried by the base baring pieces exposed tothe bo tom of the b r a llOliOVC cover titted over the base providing arelic chest, vent tube carried by tne cover, 2 valve gravitatinn on therent tube.

v t by which the valve is loosely car id and an organ key 0 operated relY havin contact means to con trol the ener- ,aation or eanlcreche-magnet upon energiuation o1" vrhict said Zap Valve is attracted a1st one of t re ports to sever communication of the conduit and to opencommunication between the interior ot'the pull and the atmospherethrough said vent tube.

22'. An organ control comprising the combination oil a chest actionhaving a compressed air conduit with an orilice, an organ pipe fitted iisaid orilice, a plate mounted on a support inside of aid conduit, apull' carried by said plate having a button, a spring inside of the puttpressing the button against the orifice, a valve base carried by theconduit and a pair of ports resp *ctirel connnuni ating with theinterior of the conduit and vith a duct leading to the interior theput), an electro-inagnet carried by the lease having; pole piecesexpoeed to the bottom of the base, a hollow cover iitled over the bflffeproviding a valve chest, a vent tube carried by the cover, a tiap valvettltlllg on the venttub a lint; b which the alve is loosely carried, anorgan key ope"- ate'zl ontect lllOttllS to control rid electromuig'netupon encr 4 c non of which said fla valve is at- (\.'1 !Qt in t :1 i f Q*1 .flactct ine on o lle P01 ,0 ,eui communi -tion oi" the conduit andto open communication between the interior of the pull and 1 tleatmosphere throu h eaid rent 1 1 tune, and lltZlZlS by which said venttube may be, a l ne ed in respect to the electro magnet ther y requiringa varying amount nergizing current to attract Sultl valve.

GUSTAV H. KL Elli.

